Home / 143,613.98-198,120.77-92,643.13

Finding the Fourth Proportional to 143,613.98, 198,120.77 and 92,643.13

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Solution

The fourth proportional to 143,613.98, 198,120.77 and 92,643.13 is: 127,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,613.98 : 198,120.77 = 92,643.13 : x
  2. Step 2: Convert to fraction form
    143,613.98/198,120.77 = 92,643.13/x
  3. Step 3: Cross multiply
    143,613.98x = 198,120.77 × 92,643.13
  4. Step 4: Simplify right side
    143,613.98x = 18,354,528,382.66
  5. Step 5: Solve for x
    x = 18,354,528,382.66/143,613.98
  6. Step 6: Final answer
    x = 127,804.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.